Cth B over Nippersink Creek
Walworth County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth B over Nippersink Creek in Walworth County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1989, making it 36 years old at the 2025 inventory.
- It carries about 2,700 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 136 of the 215 inventoried bridges in Walworth County rated fair (63.3%); 8 (3.7%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (42.49734, -88.33301)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 73 ft |
| Location | 0.1M W Jct Cth H to E |
| NBI structure number | B64007400000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Walworth County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 43 over Br Jackson Creek | 1976 | 23,700 | Good |
| Ush 12 over White River | 1967 | 22,200 | Fair |
| Ih 43 over Br Jackson Creek | 1976 | 21,900 | Fair |
| Ush 12 over Como Creek | 1967 | 21,700 | Fair |
| Ih 43 over Swan Creek | 1976 | 21,700 | Fair |
| Ih 43 SB over Sth 20 | 1971 | 21,600 | Fair |
All bridges nearby: Walworth County, WI bridge conditions · every bridge in Walworth County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.